CLONE VOLUME MERGING
    2.
    发明申请
    CLONE VOLUME MERGING 审中-公开
    克隆音量合并

    公开(公告)号:US20160246683A1

    公开(公告)日:2016-08-25

    申请号:US14627497

    申请日:2015-02-20

    Applicant: NetApp Inc.

    CPC classification number: G06F16/184 G06F11/1448 G06F2201/84

    Abstract: One or more techniques and/or systems are provided for clone volume merging. For example, a parent volume may be exposed to users for read and write access to data stored within the parent volume. The parent volume may be cloned to create a cloned volume of the parent volume. The cloned volume may be exposed to users for data access. Responsive to receiving a clone volume merge command, data blocks within the cloned volume may be compared with data blocks within the parent volume to identify delta data blocks within the cloned volume that are not within the parent volume. The delta data blocks may be copied from the cloned volume to the parent volume, which may increase performance and/or decrease time taken to generate a volume with both common data blocks and the delta data blocks, as compared to copying data from the parent volume to the cloned volume.

    Abstract translation: 提供用于克隆体积合并的一个或多个技术和/或系统。 例如,父卷可能暴露给用户以对存储在父卷内的数据进行读写访问。 可以克隆父卷以创建父卷的克隆卷。 克隆的卷可能暴露给用户进行数据访问。 响应于接收克隆卷合并命令,克隆卷内的数据块可以与父卷内的数据块进行比较,以识别克隆卷内不在父卷内的增量数据块。 可以将delta数据块从克隆的卷复制到父卷,与从父卷中复制数据相比,可以增加性能和/或减少生成具有公共数据块和增量数据块的卷所花费的时间 到克隆体积。

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